preamble "{\\raggedright\n
\\def\\indexname{Er\\\"offnungs\\\"ubersicht}\n
\\begin{theindex}\n"
postamble "\\end{theindex}}\n"
group_skip ""
item_0 "\\break\n {\\bf "
item_1 ", "
item_01 " } "
item_x1 " } "
delim_0 " }"
delim_1 "("
delim_n ","
delim_t ")"